hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IBC4SJ -------------------------------- The related-package parameter is added to specify the package to which the uncore belongs. Signed-off-by: Xiangwei Li <liwei728@huawei.com> --- drivers/devfreq/hisi_uncore_freq.c | 35 ++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/devfreq/hisi_uncore_freq.c b/drivers/devfreq/hisi_uncore_freq.c index 8c2c990b1d93..237e3d12d3d3 100644 --- a/drivers/devfreq/hisi_uncore_freq.c +++ b/drivers/devfreq/hisi_uncore_freq.c @@ -38,6 +38,7 @@ struct hisi_uncore_freq { unsigned long freq_max; unsigned long freq_step; struct devfreq *devfreq; + int related_package; struct cpumask related_cpus; }; @@ -410,6 +411,30 @@ static ssize_t related_cpus_show(struct device *dev, } DEVICE_ATTR_RO(related_cpus); +static int get_related_package(struct hisi_uncore_freq *uncore) +{ + int rc; + + rc = device_property_read_u32(uncore->dev, "related-package", + &uncore->related_package); + if (rc) { + dev_err(uncore->dev, "failed to read related-package property\n"); + return rc; + } + + return 0; +} + +static ssize_t related_package_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct platform_device *pdev = to_platform_device(dev->parent); + struct hisi_uncore_freq *uncore = platform_get_drvdata(pdev); + + return sprintf(buf, "%u\n", uncore->related_package); +} +DEVICE_ATTR_RO(related_package); + static int hisi_uncore_probe(struct platform_device *pdev) { struct hisi_uncore_freq *uncore; @@ -440,6 +465,10 @@ static int hisi_uncore_probe(struct platform_device *pdev) goto err_free_opp; } + rc = get_related_package(uncore); + if (rc) + goto err_free_opp; + hisi_uncore_mark_related_cpus_wrap(uncore); rc = device_create_file(&uncore->devfreq->dev, &dev_attr_related_cpus); @@ -448,6 +477,12 @@ static int hisi_uncore_probe(struct platform_device *pdev) goto err_free_opp; } + rc = device_create_file(&uncore->devfreq->dev, &dev_attr_related_package); + if (rc) { + dev_err(&pdev->dev, "Failed to create custom sysfs files\n"); + goto err_free_opp; + } + return 0; err_free_opp: -- 2.25.1